diff options
Diffstat (limited to 'program/include/rcmail_install.php')
| -rw-r--r-- | program/include/rcmail_install.php | 832 |
1 files changed, 832 insertions, 0 deletions
diff --git a/program/include/rcmail_install.php b/program/include/rcmail_install.php new file mode 100644 index 000000000..ca06f10b7 --- /dev/null +++ b/program/include/rcmail_install.php @@ -0,0 +1,832 @@ +<?php + +/* + +-----------------------------------------------------------------------+ + | rcmail_install.php | + | | + | This file is part of the Roundcube Webmail package | + | Copyright (C) 2008-2014, The Roundcube Dev Team | + | | + | Licensed under the GNU General Public License version 3 or | + | any later version with exceptions for skins & plugins. | + | See the README file for a full license statement. | + +-----------------------------------------------------------------------+ +*/ + + +/** + * Class to control the installation process of the Roundcube Webmail package + * + * @category Install + * @package Roundcube + * @author Thomas Bruederli + */ +class rcmail_install +{ + var $step; + var $is_post = false; + var $failures = 0; + var $config = array(); + var $configured = false; + var $legacy_config = false; + var $last_error = null; + var $email_pattern = '([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9])'; + var $bool_config_props = array(); + + var $local_config = array('db_dsnw', 'default_host', 'support_url', 'des_key', 'plugins'); + var $obsolete_config = array('db_backend', 'db_max_length', 'double_auth'); + var $replaced_config = array( + 'skin_path' => 'skin', + 'locale_string' => 'language', + 'multiple_identities' => 'identities_level', + 'addrbook_show_images' => 'show_images', + 'imap_root' => 'imap_ns_personal', + 'pagesize' => 'mail_pagesize', + 'top_posting' => 'reply_mode', + 'keep_alive' => 'refresh_interval', + 'min_keep_alive' => 'min_refresh_interval', + ); + + // list of supported database drivers + var $supported_dbs = array( + 'MySQL' => 'pdo_mysql', + 'PostgreSQL' => 'pdo_pgsql', + 'SQLite' => 'pdo_sqlite', + 'SQLite (v2)' => 'pdo_sqlite2', + 'SQL Server (SQLSRV)' => 'pdo_sqlsrv', + 'SQL Server (DBLIB)' => 'pdo_dblib', + ); + + + /** + * Constructor + */ + function __construct() + { + $this->step = intval($_REQUEST['_step']); + $this->is_post = $_SERVER['REQUEST_METHOD'] == 'POST'; + } + + /** + * Singleton getter + */ + static function get_instance() + { + static $inst; + + if (!$inst) + $inst = new rcmail_install(); + + return $inst; + } + + /** + * Read the local config files and store properties + */ + function load_config() + { + // defaults + if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'defaults.inc.php')) { + $this->config = (array) $config; + $this->defaults = $this->config; + } + + $config = null; + + // config + if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'config.inc.php')) { + $this->config = array_merge($this->config, $config); + } + else { + if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'main.inc.php')) { + $this->config = array_merge($this->config, $config); + $this->legacy_config = true; + } + if ($config = $this->load_config_file(RCUBE_CONFIG_DIR . 'db.inc.php')) { + $this->config = array_merge($this->config, $config); + $this->legacy_config = true; + } + } + + $this->configured = !empty($config); + } + + /** + * Read the default config file and store properties + */ + public function load_config_file($file) + { + if (is_readable($file)) { + include $file; + + // read comments from config file + if (function_exists('token_get_all')) { + $tokens = token_get_all(file_get_contents($file)); + $in_config = false; + $buffer = ''; + for ($i=0; $i < count($tokens); $i++) { + $token = $tokens[$i]; + if ($token[0] == T_VARIABLE && $token[1] == '$config' || $token[1] == '$rcmail_config') { + $in_config = true; + if ($buffer && $tokens[$i+1] == '[' && $tokens[$i+2][0] == T_CONSTANT_ENCAPSED_STRING) { + $propname = trim($tokens[$i+2][1], "'\""); + $this->comments[$propname] = $buffer; + $buffer = ''; + $i += 3; + } + } + else if ($in_config && $token[0] == T_COMMENT) { + $buffer .= strtr($token[1], array('\n' => "\n")); + } + } + } + + // deprecated name of config variable + if (is_array($rcmail_config)) { + return $rcmail_config; + } + + return $config; + } + } + + /** + * Getter for a certain config property + * + * @param string Property name + * @param string Default value + * @return string The property value + */ + function getprop($name, $default = '') + { + $value = $this->config[$name]; + + if ($name == 'des_key' && !$this->configured && !isset($_REQUEST["_$name"])) + $value = self::random_key(24); + + return $value !== null && $value !== '' ? $value : $default; + } + + + /** + * Create configuration file that contains parameters + * that differ from default values. + * + * @return string The complete config file content + */ + function create_config() + { + $config = array(); + + foreach ($this->config as $prop => $default) { + $is_default = !isset($_POST["_$prop"]); + $value = !$is_default || $this->bool_config_props[$prop] ? $_POST["_$prop"] : $default; + + // always disable installer + if ($prop == 'enable_installer') + $value = false; + + // reset useragent to default (keeps version up-to-date) + if ($prop == 'useragent' && stripos($value, 'Roundcube Webmail/') !== false) + $value = $this->defaults[$prop]; + + // generate new encryption key, never use the default value + if ($prop == 'des_key' && $value == $this->defaults[$prop]) + $value = $this->random_key(24); + + // convert some form data + if ($prop == 'debug_level' && !$is_default) { + if (is_array($value)) { + $val = 0; + foreach ($value as $dbgval) + $val += intval($dbgval); + $value = $val; + } + } + else if ($prop == 'db_dsnw' && !empty($_POST['_dbtype'])) { + if ($_POST['_dbtype'] == 'sqlite') + $value = sprintf('%s://%s?mode=0646', $_POST['_dbtype'], $_POST['_dbname']{0} == '/' ? '/' . $_POST['_dbname'] : $_POST['_dbname']); + else if ($_POST['_dbtype']) + $value = sprintf('%s://%s:%s@%s/%s', $_POST['_dbtype'], + rawurlencode($_POST['_dbuser']), rawurlencode($_POST['_dbpass']), $_POST['_dbhost'], $_POST['_dbname']); + } + else if ($prop == 'smtp_auth_type' && $value == '0') { + $value = ''; + } + else if ($prop == 'default_host' && is_array($value)) { + $value = self::_clean_array($value); + if (count($value) <= 1) + $value = $value[0]; + } + else if ($prop == 'mail_pagesize' || $prop == 'addressbook_pagesize') { + $value = max(2, intval($value)); + } + else if ($prop == 'smtp_user' && !empty($_POST['_smtp_user_u'])) { + $value = '%u'; + } + else if ($prop == 'smtp_pass' && !empty($_POST['_smtp_user_u'])) { + $value = '%p'; + } + else if (is_bool($default)) { + $value = (bool)$value; + } + else if (is_numeric($value)) { + $value = intval($value); + } + + // skip this property + if (($value == $this->defaults[$prop]) && !in_array($prop, $this->local_config) + || in_array($prop, array_merge($this->obsolete_config, array_keys($this->replaced_config))) + || preg_match('/^db_(table|sequence)_/', $prop)) { + continue; + } + + // save change + $this->config[$prop] = $value; + $config[$prop] = $value; + } + + $out = "<?php\n\n"; + $out .= "/* Local configuration for Roundcube Webmail */\n\n"; + foreach ($config as $prop => $value) { + // copy option descriptions from existing config or defaults.inc.php + $out .= $this->comments[$prop]; + $out .= "\$config['$prop'] = " . self::_dump_var($value, $prop) . ";\n\n"; + } + + return $out; + } + + + /** + * save generated config file in RCUBE_CONFIG_DIR + * + * @return boolean True if the file was saved successfully, false if not + */ + function save_configfile($config) + { + if (is_writable(RCUBE_CONFIG_DIR)) { + return file_put_contents(RCUBE_CONFIG_DIR . 'config.inc.php', $config); + } + + return false; + } + + /** + * Check the current configuration for missing properties + * and deprecated or obsolete settings + * + * @return array List with problems detected + */ + function check_config() + { + $this->load_config(); + + if (!$this->configured) { + return null; + } + + $out = $seen = array(); + + // iterate over the current configuration + foreach ($this->config as $prop => $value) { + if ($replacement = $this->replaced_config[$prop]) { + $out['replaced'][] = array('prop' => $prop, 'replacement' => $replacement); + $seen[$replacement] = true; + } + else if (!$seen[$prop] && in_array($prop, $this->obsolete_config)) { + $out['obsolete'][] = array('prop' => $prop); + $seen[$prop] = true; + } + } + + // the old default mime_magic reference is obsolete + if ($this->config['mime_magic'] == '/usr/share/misc/magic') { + $out['obsolete'][] = array('prop' => 'mime_magic', 'explain' => "Set value to null in order to use system default"); + } + + // check config dependencies and contradictions + if ($this->config['enable_spellcheck'] && $this->config['spellcheck_engine'] == 'pspell') { + if (!extension_loaded('pspell')) { + $out['dependencies'][] = array('prop' => 'spellcheck_engine', + 'explain' => 'This requires the <tt>pspell</tt> extension which could not be loaded.'); + } + else if (!empty($this->config['spellcheck_languages'])) { + foreach ($this->config['spellcheck_languages'] as $lang => $descr) + if (!@pspell_new($lang)) + $out['dependencies'][] = array('prop' => 'spellcheck_languages', + 'explain' => "You are missing pspell support for language $lang ($descr)"); + } + } + + if ($this->config['log_driver'] == 'syslog') { + if (!function_exists('openlog')) { + $out['dependencies'][] = array('prop' => 'log_driver', + 'explain' => 'This requires the <tt>syslog</tt> extension which could not be loaded.'); + } + if (empty($this->config['syslog_id'])) { + $out['dependencies'][] = array('prop' => 'syslog_id', + 'explain' => 'Using <tt>syslog</tt> for logging requires a syslog ID to be configured'); + } + } + + // check ldap_public sources having global_search enabled + if (is_array($this->config['ldap_public']) && !is_array($this->config['autocomplete_addressbooks'])) { + foreach ($this->config['ldap_public'] as $ldap_public) { + if ($ldap_public['global_search']) { + $out['replaced'][] = array('prop' => 'ldap_public::global_search', 'replacement' => 'autocomplete_addressbooks'); + break; + } + } + } + + return $out; + } + + + /** + * Merge the current configuration with the defaults + * and copy replaced values to the new options. + */ + function merge_config() + { + $current = $this->config; + $this->config = array(); + + foreach ($this->replaced_config as $prop => $replacement) { + if (isset($current[$prop])) { + if ($prop == 'skin_path') + $this->config[$replacement] = preg_replace('#skins/(\w+)/?$#', '\\1', $current[$prop]); + else if ($prop == 'multiple_identities') + $this->config[$replacement] = $current[$prop] ? 2 : 0; + else + $this->config[$replacement] = $current[$prop]; + } + unset($current[$prop]); + } + + foreach ($this->obsolete_config as $prop) { + unset($current[$prop]); + } + + // add all ldap_public sources having global_search enabled to autocomplete_addressbooks + if (is_array($current['ldap_public'])) { + foreach ($current['ldap_public'] as $key => $ldap_public) { + if ($ldap_public['global_search']) { + $this->config['autocomplete_addressbooks'][] = $key; + unset($current['ldap_public'][$key]['global_search']); + } + } + } + + $this->config = array_merge($this->config, $current); + + foreach (array_keys((array)$current['ldap_public']) as $key) { + $this->config['ldap_public'][$key] = $current['ldap_public'][$key]; + } + } + + /** + * Compare the local database schema with the reference schema + * required for this version of Roundcube + * + * @param rcube_db Database object + * + * @return boolean True if the schema is up-to-date, false if not or an error occurred + */ + function db_schema_check($DB) + { + if (!$this->configured) + return false; + + // read reference schema from mysql.initial.sql + $db_schema = $this->db_read_schema(INSTALL_PATH . 'SQL/mysql.initial.sql'); + $errors = array(); + + // check list of tables + $existing_tables = $DB->list_tables(); + + foreach ($db_schema as $table => $cols) { + $table = $this->config['db_prefix'] . $table; + if (!in_array($table, $existing_tables)) { + $errors[] = "Missing table '".$table."'"; + } + else { // compare cols + $db_cols = $DB->list_cols($table); + $diff = array_diff(array_keys($cols), $db_cols); + if (!empty($diff)) + $errors[] = "Missing columns in table '$table': " . join(',', $diff); + } + } + + return !empty($errors) ? $errors : false; + } + + /** + * Utility function to read database schema from an .sql file + */ + private function db_read_schema($schemafile) + { + $lines = file($schemafile); + $table_block = false; + $schema = array(); + foreach ($lines as $line) { + if (preg_match('/^\s*create table `?([a-z0-9_]+)`?/i', $line, $m)) { + $table_block = $m[1]; + } + else if ($table_block && preg_match('/^\s*`?([a-z0-9_-]+)`?\s+([a-z]+)/', $line, $m)) { + $col = $m[1]; + if (!in_array(strtoupper($col), array('PRIMARY','KEY','INDEX','UNIQUE','CONSTRAINT','REFERENCES','FOREIGN'))) { + $schema[$table_block][$col] = $m[2]; + } + } + } + + return $schema; + } + + /** + * Try to detect some file's mimetypes to test the correct behavior of fileinfo + */ + function check_mime_detection() + { + $files = array( + 'skins/larry/images/roundcube_logo.png' => 'image/png', + 'program/resources/blank.tif' => 'image/tiff', + 'program/resources/blocked.gif' => 'image/gif', + 'skins/larry/README' => 'text/plain', + ); + + $errors = array(); + foreach ($files as $path => $expected) { + $mimetype = rcube_mime::file_content_type(INSTALL_PATH . $path, basename($path)); + if ($mimetype != $expected) { + $errors[] = array($path, $mimetype, $expected); + } + } + + return $errors; + } + + /** + * Check the correct configuration of the 'mime_types' mapping option + */ + function check_mime_extensions() + { + $types = array( + 'application/zip' => 'zip', + 'application/x-tar' => 'tar', + 'application/java-archive' => 'jar', + 'image/gif' => 'gif', + 'image/svg+xml' => 'svg', + ); + + $errors = array(); + foreach ($types as $mimetype => $expected) { + $ext = rcube_mime::get_mime_extensions($mimetype); + if ($ext[0] != $expected) { + $errors[] = array($mimetype, $ext, $expected); + } + } + + return $errors; + } + + /** + * Getter for the last error message + * + * @return string Error message or null if none exists + */ + function get_error() + { + return $this->last_error['message']; + } + + + /** + * Return a list with all imap hosts configured + * + * @return array Clean list with imap hosts + */ + function get_hostlist() + { + $default_hosts = (array)$this->getprop('default_host'); + $out = array(); + + foreach ($default_hosts as $key => $name) { + if (!empty($name)) + $out[] = rcube_parse_host(is_numeric($key) ? $name : $key); + } + + return $out; + } + + /** + * Create a HTML dropdown to select a previous version of Roundcube + */ + function versions_select($attrib = array()) + { + $select = new html_select($attrib); + $select->add(array( + '0.1-stable', '0.1.1', + '0.2-alpha', '0.2-beta', '0.2-stable', + '0.3-stable', '0.3.1', + '0.4-beta', '0.4.2', + '0.5-beta', '0.5', '0.5.1', '0.5.2', '0.5.3', '0.5.4', + '0.6-beta', '0.6', + '0.7-beta', '0.7', '0.7.1', '0.7.2', '0.7.3', '0.7.4', + '0.8-beta', '0.8-rc', '0.8.0', '0.8.1', '0.8.2', '0.8.3', '0.8.4', '0.8.5', '0.8.6', + '0.9-beta', '0.9-rc', '0.9-rc2', + // Note: Do not add newer versions here + )); + return $select; + } + + /** + * Return a list with available subfolders of the skin directory + */ + function list_skins() + { + $skins = array(); + $skindir = INSTALL_PATH . 'skins/'; + foreach (glob($skindir . '*') as $path) { + if (is_dir($path) && is_readable($path)) { + $skins[] = substr($path, strlen($skindir)); + } + } + return $skins; + } + + /** + * Display OK status + * + * @param string Test name + * @param string Confirm message + */ + function pass($name, $message = '') + { + echo Q($name) . ': <span class="success">OK</span>'; + $this->_showhint($message); + } + + + /** + * Display an error status and increase failure count + * + * @param string Test name + * @param string Error message + * @param string URL for details + * @param bool Do not count this failure + */ + function fail($name, $message = '', $url = '', $optional=false) + { + if (!$optional) { + $this->failures++; + } + + echo Q($name) . ': <span class="fail">NOT OK</span>'; + $this->_showhint($message, $url); + } + + + /** + * Display an error status for optional settings/features + * + * @param string Test name + * @param string Error message + * @param string URL for details + */ + function optfail($name, $message = '', $url = '') + { + echo Q($name) . ': <span class="na">NOT OK</span>'; + $this->_showhint($message, $url); + } + + + /** + * Display warning status + * + * @param string Test name + * @param string Warning message + * @param string URL for details + */ + function na($name, $message = '', $url = '') + { + echo Q($name) . ': <span class="na">NOT AVAILABLE</span>'; + $this->_showhint($message, $url); + } + + + function _showhint($message, $url = '') + { + $hint = Q($message); + + if ($url) + $hint .= ($hint ? '; ' : '') . 'See <a href="' . Q($url) . '" target="_blank">' . Q($url) . '</a>'; + + if ($hint) + echo '<span class="indent">(' . $hint . ')</span>'; + } + + + static function _clean_array($arr) + { + $out = array(); + + foreach (array_unique($arr) as $k => $val) { + if (!empty($val)) { + if (is_numeric($k)) + $out[] = $val; + else + $out[$k] = $val; + } + } + + return $out; + } + + + static function _dump_var($var, $name=null) + { + // special values + switch ($name) { + case 'syslog_facility': + $list = array(32 => 'LOG_AUTH', 80 => 'LOG_AUTHPRIV', 72 => ' LOG_CRON', + 24 => 'LOG_DAEMON', 0 => 'LOG_KERN', 128 => 'LOG_LOCAL0', + 136 => 'LOG_LOCAL1', 144 => 'LOG_LOCAL2', 152 => 'LOG_LOCAL3', + 160 => 'LOG_LOCAL4', 168 => 'LOG_LOCAL5', 176 => 'LOG_LOCAL6', + 184 => 'LOG_LOCAL7', 48 => 'LOG_LPR', 16 => 'LOG_MAIL', + 56 => 'LOG_NEWS', 40 => 'LOG_SYSLOG', 8 => 'LOG_USER', 64 => 'LOG_UUCP'); + if ($val = $list[$var]) + return $val; + break; + + case 'mail_header_delimiter': + $var = str_replace(array("\r", "\n"), array('\r', '\n'), $var); + return '"' . $var. '"'; + break; +/* + // RCMAIL_VERSION is undefined here + case 'useragent': + if (preg_match('|^(.*)/('.preg_quote(RCMAIL_VERSION, '|').')$|i', $var, $m)) { + return '"' . addcslashes($var, '"') . '/" . RCMAIL_VERSION'; + } + break; +*/ + } + + if (is_array($var)) { + if (empty($var)) { + return 'array()'; + } + else { // check if all keys are numeric + $isnum = true; + foreach (array_keys($var) as $key) { + if (!is_numeric($key)) { + $isnum = false; + break; + } + } + + if ($isnum) + return 'array(' . join(', ', array_map(array('rcmail_install', '_dump_var'), $var)) . ')'; + } + } + + return var_export($var, true); + } + + + /** + * Initialize the database with the according schema + * + * @param object rcube_db Database connection + * @return boolen True on success, False on error + */ + function init_db($DB) + { + $engine = $DB->db_provider; + + // read schema file from /SQL/* + $fname = INSTALL_PATH . "SQL/$engine.initial.sql"; + if ($sql = @file_get_contents($fname)) { + $this->exec_sql($sql, $DB); + } + else { + $this->fail('DB Schema', "Cannot read the schema file: $fname"); + return false; + } + + if ($err = $this->get_error()) { + $this->fail('DB Schema', "Error creating database schema: $err"); + return false; + } + + return true; + } + + + /** + * Update database schema + * + * @param string Version to update from + * + * @return boolen True on success, False on error + */ + function update_db($version) + { + system(INSTALL_PATH . "bin/updatedb.sh --package=roundcube" + . " --version=" . escapeshellarg($version) + . " --dir=" . INSTALL_PATH . "SQL" + . " 2>&1", $result); + + return !$result; + } + + + /** + * Execute the given SQL queries on the database connection + * + * @param string SQL queries to execute + * @param object rcube_db Database connection + * @return boolen True on success, False on error + */ + function exec_sql($sql, $DB) + { + $sql = $this->fix_table_names($sql, $DB); + $buff = ''; + foreach (explode("\n", $sql) as $line) { + if (preg_match('/^--/', $line) || trim($line) == '') + continue; + + $buff .= $line . "\n"; + if (preg_match('/(;|^GO)$/', trim($line))) { + $DB->query($buff); + $buff = ''; + if ($DB->is_error()) + break; + } + } + + return !$DB->is_error(); + } + + + /** + * Parse SQL file and fix table names according to db_prefix + * Note: This need to be a complete database initial file + */ + private function fix_table_names($sql, $DB) + { + if (empty($this->config['db_prefix'])) { + return $sql; + } + + // replace table names + if (preg_match_all('/CREATE TABLE (\[dbo\]\.|IF NOT EXISTS )?[`"\[\]]*([^`"\[\] \r\n]+)/i', $sql, $matches)) { + foreach ($matches[2] as $table) { + $real_table = $this->config['db_prefix'] . $table; + $sql = preg_replace("/([^a-zA-Z0-9_])$table([^a-zA-Z0-9_])/", "\\1$real_table\\2", $sql); + } + } + // replace sequence names + if ($DB->db_provider == 'postgres' && preg_match_all('/CREATE SEQUENCE (IF NOT EXISTS )?"?([^" \n\r]+)/i', $sql, $matches)) { + foreach ($matches[2] as $sequence) { + $real_sequence = $this->config['db_prefix'] . $sequence; + $sql = preg_replace("/([^a-zA-Z0-9_])$sequence([^a-zA-Z0-9_])/", "\\1$real_sequence\\2", $sql); + } + } + + return $sql; + } + + + /** + * Handler for Roundcube errors + */ + function raise_error($p) + { + $this->last_error = $p; + } + + + /** + * Generarte a ramdom string to be used as encryption key + * + * @param int Key length + * @return string The generated random string + * @static + */ + function random_key($length) + { + $alpha = 'ABCDEFGHIJKLMNOPQERSTUVXYZabcdefghijklmnopqrtsuvwxyz0123456789+*%&?!$-_='; + $out = ''; + + for ($i=0; $i < $length; $i++) + $out .= $alpha{rand(0, strlen($alpha)-1)}; + + return $out; + } + +} + |